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Posted to common-dev@hadoop.apache.org by "dhruba borthakur (JIRA)" <ji...@apache.org> on 2007/10/12 22:40:50 UTC
[jira] Updated: (HADOOP-2044) Namenode encounters
ClassCastException exceptions for INodeFileUnderConstruction
[ https://issues.apache.org/jira/browse/HADOOP-2044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
dhruba borthakur updated HADOOP-2044:
-------------------------------------
Fix Version/s: 0.15.0
I am marking this as a blocker for 0.15 unless proven otherwise.
> Namenode encounters ClassCastException exceptions for INodeFileUnderConstruction
> --------------------------------------------------------------------------------
>
> Key: HADOOP-2044
> URL: https://issues.apache.org/jira/browse/HADOOP-2044
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
> Fix For: 0.15.0
>
>
> A distcp command running on one 400 node cluster shows this exception:
> org.apache.hadoop.fs.FSNamesystem: Removing lease [Lease. Holder: 44 46 53 43 6c 69 65 6e 74 5f 74 61 73 6b 5f 32 30 30 37 31 30 31 31 32 32 35 37 5f 30 30 30 33 5f 6d 5f 30 30 30 30 39 32 5f 30, heldlocks: 0, pendingcreates: 0], leases remaining: 736
> org.apache.hadoop.dfs.StateChange: DIR* NameSystem.internalReleaseCreate: attempt to release a create lock on /user/xxxx/logs_21/_task_200710112257_0003_m_000027_0/part-00027 file does not exist.
> org.apache.hadoop.fs.FSNamesystem: Removing lease [Lease. Holder: 44 46 53 43 6c 69 65 6e 74 5f 74 61 73 6b 5f 32 30 30 37 31 30 31 31 32 32 35 37 5f 30 30 30 33 5f 6d 5f 30 30 30 30 32 37 5f 30, heldlocks: 0, pendingcreates: 0], leases remaining: 735
> org.apache.hadoop.fs.FSNamesystem: java.lang.ClassCastException: org.apache.hadoop.dfs.INodeFile cannot be cast to org.apache.hadoop.dfs.INodeFileUnderConstruction
> at org.apache.hadoop.dfs.FSNamesystem.internalReleaseCreate(FSNamesystem.java:1566)
> at org.apache.hadoop.dfs.FSNamesystem.access$100(FSNamesystem.java:51)
> at org.apache.hadoop.dfs.FSNamesystem$Lease.releaseLocks(FSNamesystem.java:1463)
> at org.apache.hadoop.dfs.FSNamesystem$LeaseMonitor.run(FSNamesystem.java:1525)
> at java.lang.Thread.run(Thread.java:619)
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